Results 191 to 200 of about 148,566 (330)

A Comprehensive Multistage Average Controller for Trajectory Tracking in Solar‐Powered Mobile Robots: Analysis of Actuator‐Driver and Power Stage Integration

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT This work addresses the challenge of bidirectional trajectory tracking in solar‐powered wheeled mobile robots (WMRs), considering the mechanical structure, actuator‐driver, and power stage subsystems. Notably, this is the first study to explicitly model and control the actuator‐driver subsystem within this context. The proposed solution relies
Benjamin Natanael Santiago‐Nogales   +8 more
wiley   +1 more source

Robust Linearization and Eigenvalue Analysis of General Complex Constrained Multibody Systems

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT The derivation of linearized equations and subsequent eigenvalue analysis is the basis for tasks such as frequency‐domain response analysis, control design, and stability assessment for mechanical systems. However, for general multibody systems with redundant or nonholonomic constraints, practical challenges persist in achieving numerically ...
Zhiwen Xiao, Gexue Ren
wiley   +1 more source

Walking a Tightrope: Managerial Response Strategies in NPO‐Business Partnerships That Face a Scandal

open access: yesNonprofit Management and Leadership, EarlyView.
ABSTRACT When one of the partners in a non‐profit organization (NPO)–business partnership is involved in a scandal, allied partner managers need to walk on a tightrope to respond to the situation. Knowledge is limited about the factors that influence their response decisions to continue or exit the partnership.
Gabi Spitz   +2 more
wiley   +1 more source

Development of an Atmospheric-Pressure Photoionization Source for VOC Detection With a Miniature High-Pressure Mass Spectrometer. [PDF]

open access: yesRapid Commun Mass Spectrom
Rowland AM   +6 more
europepmc   +1 more source

Autoimmune and inflammatory manifestations occur frequently in patients with primary immunodeficiencies

open access: yesJournal of Allergy and Clinical Immunology, 2017
A. Fischer   +132 more
semanticscholar   +1 more source

Evidence‐based guideline for clinical practice in the diagnosis, treatment, management, and prevention of recurrent wheezing in infants and toddlers in China

open access: yesPediatric Investigation, EarlyView.
ABSTRACT Wheezing is a common respiratory symptom in infants and toddlers, and recurrent wheezing is a significant respiratory disorder affecting this age group. Given the multifactorial etiology of recurrent wheezing, clinical practice lacks standardized diagnostic and therapeutic protocols. Recent years have witnessed substantial progress in clinical
Committee of Pediatrics   +16 more
wiley   +1 more source

Association of maternal immunoglobulin G levels with pregnancy outcomes in primary immunodeficiency: A retrospective single-center study. [PDF]

open access: yesMedicine (Baltimore)
Gerek ME   +9 more
europepmc   +1 more source

CO2‐Assisted Foaming of PLA–Cellulose Acetate Blends for Peat‐Free Horticultural Substrates

open access: yesPolymer Engineering &Science, EarlyView.
Engineered porous substrate facilitating seed incorporation, water retention, and plant growth. ABSTRACT This study investigates carbon dioxide assisted (CO2) foaming of polylactic acid (PLA)–cellulose acetate (CA) blends to develop biodegradable substrates for horticultural applications.
Kaleum Meaney   +8 more
wiley   +1 more source

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